export GOARCH=arm
export GOOS=linux
export CGO_ENABLED=1
export GOPROXY=https://goproxy.cn
export GOARM=5
export CGO_ENABLED=1
export CC=arm-linux-gcc
export AR=arm-linux-ar
#go build -ldflags "-extldflags '-static' -w -s " -o GoApp_SL
go build -o  GoApp_SL

upx GoApp_SL
cp   GoApp_SL  /home/zouyang/tftpboot/